Arithmetichard · Past Paper
The ratio of the volume of a sphere to the volume of a cylinder which has the same radius and height equal to the diameter of the sphere is:
A2:3
B3:2
C4:3
D1:2
✓ Correct Answer: A — 2:3
Sphere Vol = (4/3)pi*r^3. Cylinder Vol = pi*r^2*(2r) = 2pi*r^3. Ratio = (4/3) / 2 = 2/3.
Share this question
More from Arithmetic
- What is the rate of interest if Rs 400 becomes Rs 500 in 5 years under simple interest?
- The ratio of the length and breadth of a rectangle is 5:3. If the length is 10 cm more than the breadth, find the area.
- The ratio of the ages of Ram and Shyam is 4:5. If the sum of their ages is 81 years, find Shyam's age.
- What is the simple interest on Rs. 800 at 5% per annum for 6 months?
- Price of an article is reduced by 25%. In order to retain original price, the present price has to be increased by: